popping sound in iTunes on macbook

i am about to purchase a tv show and when i preview an episode i hear that popping sound. but its only for tv shows. music on itunes and music from websites are fine. just tv shows. when i download the tv show do you think that sound will go away? thanks.

Have you done the audio update already? If you haven't then that is probably your problem.

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yes i have done that update. i did not have the popping sound even before that update. and the sound is only coming from tv shows in iTunes. i want to download a certain show but im worried if i download it, it will keep that annoying sound. any thoughts??

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